Vulnerability in Oracle Essbase Web Platform Affects Low Privileged Users
CVE-2026-91651

8.5HIGH

Key Information:

Vendor

Oracle
Status
Oracle Essbase
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91651?

A vulnerability in the Oracle Essbase Web Platform allows a low privileged attacker with network access via HTTP to compromise the application. Although situated within Oracle Essbase, exploiting this vulnerability may have repercussions on other products, indicating a potentially broader impact. Successful exploitation could result in a full takeover of the affected environment, leading to unauthorized access to sensitive information and disruption of services.

Affected Version(s)

Oracle Essbase 21.8.3.0.0

References

https://www.oracle.com/security-alerts/cpuoct2026.html
vendor-advisory

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.